to hide evidence of one’s actions
ocultar evidencia de las acciones de uno (ocultar evidencia de las acciones de uno)
"Hackers often cover their tracks after breaking into systems."
"Los hackers a menudo cubren sus huellas después de entrar en los sistemas." (Los hackers a menudo **cubren sus huellas** después de entrar en los sistemas.)
to have the opposite result of what was intended
so stressed or tired that one can hardly cope
a piece of evidence that clearly proves guilt
to go beyond the usual limits; to innovate boldly
to reveal one’s real character or intentions
to open your books and begin studying